Granted Patent
Utility
US 6,443,258 · App. 09/662,985
Durable porous article of manufacture and a process to create same
Inventors:
Dean L. Putt, Marsha S. Bischel, Anthony L. Wiker, Andrea M. Moser
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Sep 15, 2000
Inventors
Dean L. Putt
Marsha S. Bischel
Anthony L. Wiker
Andrea M. Moser
Assignee (at issue)
AWI Licensing LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.